Dear Sir,

Continuing about fexpm1 and flog1p, kindly note that in vocabulary 
math.functions the definition of log1+ given as 1 + log, defeats the purpose of 
giving flog1p in that 1 + log will always give inaccurate values when x <<1.

This definition of log1+ should be removed from the vocabulary math.functions 
and flog1+ be retained in vocabulary math.libm.

Similarly for expm1 function.

Thanks and regards,

SJain
Agra, India


-------- Original Message --------
From: SJain <z...@ymail.com>
Sent: 13 June 2020 3:08:00 PM IST
To: LANG Factor <factor-talk@lists.sourceforge.net>
Subject: fexpm1 missing in math.libm

Dear Sir,

The function e^x - 1 , called fexpm1, is provided for in both C libm and x87 
instructions, just like it's counterpart log1p (ln(1+x)). While flog1+ is 
provided in factor vocabulary math.libm, expm1 is missing. Both functions are 
useful when x is small compared to 1.

Kindly provide expm1 also.

Thanks and regards,

Sanjay Jain
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